Quality and environmental policies
VIERLING guarantees integrated quality management from procurement all the way through delivery.
At VIERLING, quality assurance begins with the selection of the suppliers and continues during the incoming goods inspection and ultimately accompanies your product all the way through the entire manufacturing process through delivery.
All of our work steps are represented transparently within our quality assessment system in a fully traceable manner. We work continuously to improve our processes and quality. Our quality management system certified in compliance with DIN EN ISO 9001:2008 serves as the foundation for these efforts.
VIERLING has a number of special certifications and clearances (e.g. German Federal Motor Transport Authority, explosion protection, nuclear installations, UL approval for United States and Canada):
- 2005: KTA approval
- 2005: Supplier for aeronautics technology
- 2005: ATEX approval
- 2004: Federal Motor Transport Authority (KBA) approval
- 1997: VDA 6.1 product approval
Our customers rely on VIERLING most significantly for the company’s proven quality and delivery dependability. VIERLING’s almost 70 years of existence is its best reference in the areas of reliability, continuity and quality.”
(Uwe Köferlein, Quality Manager)




Our customers rely on VIERLING most significantly for the company’s proven quality and delivery dependability. VIERLING’s almost 70 years of existence is its best reference in the areas of reliability, continuity and quality.”